‘Daily Show’: Bill Gates, Twitter-er

Now that Bill Gates doesn’t have to run one of the world’s biggest companies, he has more time to devote to a few of his favorite causes including, say, trying to revamp the school system at home and fight hunger abroad—you know, just hobby material. Here, he tells Jon Stewart about his post-Microsoft life, as well as how he learned to tweet just last week.  —KA

The Daily Show: